"""
Case Type   : 多节点写入
Case Name   : 备机进行异常查询，合理报错
Create At   : 2023/1/4
Owner       : @li-xin12345
Description :
    1.修改enable_remote_execute参数值为on
    2.备机进行异常查询
    3.备机查看日志打印
    4.恢复参数
Expect      :
    1.修改成功
    2.合理报错
    3.不转发给主机
    4.恢复参数成功
History     :
    Modified by @li-xin12345 2023/3/15:研发代码变更，libpqsw日志打印增加线程号，优化断言以适配新代码
"""
import os
import time
import unittest
from yat.test import Node
from yat.test import macro
from testcase.utils.Logger import Logger
from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant

PrimarySh = CommonSH('PrimaryDbUser')


@unittest.skipIf(1 == PrimarySh.get_node_num(),
                 'Single node, and subsequent codes are not executed.')
class MultiNodeWrite(unittest.TestCase):
    def setUp(self):
        self.logger = Logger()
        self.logger.info(f"-----{os.path.basename(__file__)} start-----")
        self.standby_node = Node('Standby1DbUser')
        self.standby_sh = CommonSH('Standby1DbUser')
        self.constant = Constant()
        self.common = Common('Standby1DbUser')
        self.table_name = 't_multi_node_write_0006'
        self.new_log_path = os.path.join(macro.PG_LOG_PATH,
                                         'pg_log_multi_node_write_case0006')
        self.enable_remote_execute = 'enable_remote_execute'
        self.log_statement = 'log_statement'
        self.log_directory = 'log_directory'
        self.remote_execute_default = self.common.show_param(
            self.enable_remote_execute)
        self.log_statement_default = self.common.show_param(self.log_statement)
        self.log_dir_default = self.common.show_param(self.log_directory)
        shell_cmd = f"rm -rf {self.new_log_path}"
        self.logger.info(shell_cmd)
        shell_msg = self.common.get_sh_result(self.standby_node, shell_cmd)
        self.assertEquals('', shell_msg, '删除目录失败')

    def test_multi_node_write(self):
        step1 = "-----step1:修改enable_remote_execute参数值为on;expect:修改成功-----"
        self.logger.info(step1)
        result = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.enable_remote_execute}=on')
        self.assertTrue(result, '执行失败' + step1)
        restart_res = self.standby_sh.restart_db_cluster()
        self.assertTrue(restart_res, '执行失败' + step1)
        show_remote_execute = self.common.show_param(self.enable_remote_execute)
        self.assertEquals(show_remote_execute, 'on', '执行失败' + step1)
        result = self.standby_sh.execute_gsguc('reload',
                                               self.constant.GSGUC_SUCCESS_MSG,
                                               f'{self.log_statement}=all')
        self.assertTrue(result, '执行失败' + step1)
        result = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.log_directory}=\'{self.new_log_path}\'', single=True)
        self.assertTrue(result, '执行失败' + step1)
        show_log_statement = self.common.show_param(self.log_statement)
        self.assertEquals(show_log_statement, 'all', '执行失败' + step1)
        show_log_directory = self.common.show_param(self.log_directory)
        self.assertEquals(show_log_directory, self.new_log_path, '执行失败' + step1)

        step2 = "-----step2:备机进行异常查询;expect:合理报错-----"
        self.logger.info(step2)
        query_cmd = f"select * from {self.table_name};"
        query_msg = self.standby_sh.execut_db_sql(query_cmd)
        self.logger.info(query_msg)
        self.assertIn(f'ERROR:  relation "{self.table_name}" does not exist',
                      query_msg, '执行失败' + step2)
        time.sleep(3)

        step3 = "-----step3:备机查看日志打印;expect:不转发给主机-----"
        self.logger.info(step3)
        shell_cmd = f"ls -t {self.new_log_path}"
        self.logger.info(shell_cmd)
        shell_msg = self.common.get_sh_result(self.standby_node, shell_cmd)
        logfile = os.path.join(self.new_log_path, shell_msg.split()[-1])
        self.logger.info(logfile)
        shell_cmd = f"cat {logfile} "
        self.logger.info(shell_cmd)
        shell_msg = self.common.get_sh_result(self.standby_node, shell_cmd)
        self.logger.info(shell_msg)
        self.assertIn(f'LOG:  statement: select * from {self.table_name};',
                      shell_msg, '执行失败:' + step3)
        self.assertNotIn('Connecting to remote server', shell_msg,
                         '执行失败:' + step3)

    def tearDown(self):
        step4 = "-----step4:恢复参数;expect:恢复参数成功-----"
        self.logger.info(step4)
        result1 = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.enable_remote_execute}={self.remote_execute_default}')
        restart_res = self.standby_sh.restart_db_cluster()
        show_remote_execute = self.common.show_param(self.enable_remote_execute)
        result2 = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.log_statement}={self.log_statement_default}')
        result3 = self.standby_sh.execute_gsguc(
            'reload', self.constant.GSGUC_SUCCESS_MSG,
            f'{self.log_directory}=\'{self.log_dir_default}\'', single=True)
        show_log_statement = self.common.show_param(self.log_statement)
        show_log_directory = self.common.show_param(self.log_directory)
        self.logger.info("-----断言teardown-----")
        self.assertTrue(result1, '执行失败' + step4)
        self.assertTrue(restart_res, '执行失败' + step4)
        self.assertEquals(show_remote_execute, self.remote_execute_default,
                          '执行失败' + step4)
        self.assertTrue(result2, '执行失败' + step4)
        self.assertTrue(result3, '执行失败' + step4)
        self.assertEquals(show_log_statement, self.log_statement_default,
                          '执行失败' + step4)
        self.assertEquals(show_log_directory, self.log_dir_default,
                          '执行失败' + step4)
        self.logger.info(f"-----{os.path.basename(__file__)} end-----")
